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• line 600 of /lib/pagelib.php: call to debugging()
• line 820 of /lib/pagelib.php: call to moodle_page->magic_get_url()
• line 1764 of /lib/questionlib.php: call to moodle_page->__get()
• line 4459 of /lib/navigationlib.php: call to question_extend_settings_navigation()
• line 4059 of /lib/navigationlib.php: call to settings_navigation->load_course_settings()
• line 759 of /lib/pagelib.php: call to settings_navigation->initialise()
• line 820 of /lib/pagelib.php: call to moodle_page->magic_get_settingsnav()
• line 136 of /blocks/settings/block_settings.php: call to moodle_page->__get()
• line 321 of /blocks/moodleblock.class.php: call to block_settings->get_content()
• line 230 of /blocks/moodleblock.class.php: call to block_base->formatted_contents()
• line 1216 of /lib/blocklib.php: call to block_base->get_content_for_output()
• line 1268 of /lib/blocklib.php: call to block_manager->create_block_contents()
• line 604 of /lib/outputrenderers.php: call to block_manager->ensure_content_created()
• line 75 of /theme/essential/classes/output/core_renderer.php: call to core_renderer->standard_head_html()
• line 39 of /theme/essential/layout/tiles/header.php: call to theme_essential\output\core_renderer->standard_head_html()
• line 30 of /theme/essential/layout/columns2.php: call to require_once()
• line 1328 of /lib/outputrenderers.php: call to include()
• line 1258 of /lib/outputrenderers.php: call to core_renderer->render_page_layout()
• line 1893 of /lib/setuplib.php: call to core_renderer->header()
• line 64 of /mod/chat/view.php: call to bootstrap_renderer->__call()